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Klutz LEGO Chain Reaction book with all necessary pieces to build 11 working machines.

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Make, experiment and play! This activity kit allows you to build 11 machines including a gravity powered car and a wacky boxing robot. The fun doesn't stop once you've completed all of the projects in the book - open-ended prompts will inspire you to continue experimenting with your own designs and modifications. This kit includes 58 LEGO elements and six sheets of papercraft. Includes easy-to-follow instructions. Recommended for ages 8 and up.

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LEGO gadgets

Klutz LEGO Chain Reaction book with all necessary pieces to build 11 working machines.

LEGO Gadgets